document.write( "Question 246960: I cannot find my error.
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document.write( "I am supposed to use the quadratic formula to solve:
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document.write( "x^2+4x=5\r
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document.write( "This is what i got:\r
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document.write( "x=-4+-radical4^2-4*1*5/2*1
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document.write( "-4+-radical 16-20/2
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document.write( "-4+-radical -4/2
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document.write( "-4+-2i/2
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document.write( "-2+-i\r
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document.write( "Hope that makes sense. I am frustrated with this problem \n" );
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Algebra.Com's Answer #180253 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! x^2+4x=5 \n" ); document.write( "x^2+4x-5=0 You forgot to transfer the 5. \n" ); document.write( "You also need to use {( }) for this equation so you won't get lost. \n" ); document.write( "This is what i got:\r \n" ); document.write( "\n" ); document.write( "x=(-4+-radical[4^2-4*1*-5])/2*1 \n" ); document.write( "x=(-4+-radical[16+20])/2 \n" ); document.write( "x=(-4+-radical36)/2 \n" ); document.write( "x=(-4+-6)/2 \n" ); document.write( "x=(-4+6)/2 \n" ); document.write( "x=2/2=1 ans. \n" ); document.write( "x=(-4-6)/2 \n" ); document.write( "x=-10/2 \n" ); document.write( "x=-5 ans. \n" ); document.write( " |